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SubjectRe: [PATCH v21 16/19] perf, tools: Make alias matching case-insensitive
On Mon, Oct 03, 2016 at 09:47:06PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Sep 15, 2016 at 03:24:53PM -0700, Sukadev Bhattiprolu escreveu:
> > From: Andi Kleen <ak@linux.intel.com>
> >
> > Make alias matching the events parser case-insensitive. This is useful
> > with the JSON events. perf uses lower case events, but the CPU manuals
> > generally use upper case event names. The JSON files use lower
> > case by default too. But if we search case insensitively then
> > users can cut-n-paste the upper case event names.
> >
> > So the following works:
> >
> > % perf stat -e BR_INST_EXEC.TAKEN_INDIRECT_NEAR_CALL true
> >
> > Performance counter stats for 'true':
> >
> > 305 BR_INST_EXEC.TAKEN_INDIRECT_NEAR_CALL
> >
> > 0.000492799 seconds time elapsed
>
> So now trying to figure this out:
>
> [acme@jouet linux]$ perf stat -e br_inst_exec.all_direct_near_call true
> event syntax error: 'br_inst_exec.all_direct_near_call'
> \___ 'period' is not usable in 'perf stat'
> Run 'perf list' for a list of valid events

looks like you need also this one:
155128eaa62f Allow period= in perf stat CPU event descriptions.

jirka

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